1 |
2 |
1 |
b1 |
1 |
b2 |
1 |
bn-1 |
m-8 |
4 |
|
an |
an-1 |
n-1 |
n+1 |
1 |
2 |
an |
an-1 |
an-1 |
an-2 |
an-2 |
an-3 |
a3 |
a2 |
a2 |
a1 |
n-1 |
n+1 |
n-2 |
n |
n-3 |
n-1 |
2 |
4 |
1 |
3 |
1 |
2 |
1 |
n(n+1) |
1 |
b1 |
1 |
b2 |
1 |
bn-1 |
1 |
2 |
1 |
22 |
1 |
2n-1 |
1 |
2n-1 |
1 |
b1 |
1 |
b2 |
1 |
bn-1 |
m-8 |
4 |
1 |
2n-1 |
m-8 |
4 |
m-8 |
4 |
1 |
b1 |
1 |
b2 |
1 |
bn-1 |
m-8 |
4 |
1 |
a1 |
1 |
3a3 |
1 |
nan |
2+n+1 |
2 |
n+1 |
2 |
4(1-4
| ||
1-4 |
n2+4n+3 |
4 |
4 |
3 |
1 |
a1 |
1 |
3a3 |
1 |
(n-1)an-1 |
2+n |
2 |
n |
2 |
4(1-4
| ||
1-4 |
n2+2n |
4 |
4 |
3 |
|
1 |
1×2 |
1 |
2×3 |
1 |
3×4 |
1 |
4×5 |
1 |
2012×2013 |
1 |
4 |
an+1 |
an |
1 |
4 |
1 |
4 |
R | 2n |
x |
1 |
n |
1 |
2 |
1 |
3 |
1 |
n |
7 |
5 |
Sn-2n |
Tn |
3 |
2 |
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